Home / 7,328.39-10,112.52-4,343.75

Finding the Fourth Proportional to 7,328.39, 10,112.52 and 4,343.75

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Solution

The fourth proportional to 7,328.39, 10,112.52 and 4,343.75 is: 5,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.39 : 10,112.52 = 4,343.75 : x
  2. Step 2: Convert to fraction form
    7,328.39/10,112.52 = 4,343.75/x
  3. Step 3: Cross multiply
    7,328.39x = 10,112.52 × 4,343.75
  4. Step 4: Simplify right side
    7,328.39x = 43,926,208.19
  5. Step 5: Solve for x
    x = 43,926,208.19/7,328.39
  6. Step 6: Final answer
    x = 5,993.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.